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Running Number
1,981,776
HEX
#1E3D50
RGB
30, 61, 80
HSL
203°,45%,22%
HSV
203°,63%,31%
CMYK
62%,24%,0%,69%
Brightness
21%
Type
Dark
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#1E3D50 sits at 203° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 45% saturation and 22% lightness, it reads as a moderately saturated, deep tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 30, 61, 80 produces a 11.42:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #1E3D50 is a distant relative of CSS sea green — about 80 units away from #2E8B57. Designers reach for azure hues at this saturation when the brief calls for a conversational, mid-energy register, and at this lightness when they want weight, depth, and grounded contrast. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.
See how this color appears in real UI elements
Button (filled)
Badge
Progress Bar
Link Hover
Input Focus Ring
Checkbox Active
Toggle Switch On
Slider Thumb
Card Border
Icon Highlight
Tooltip Background
Modal Header
Tab Active
Alert Box
Timeline Dot
Loading Spinner
Dropdown Selected
Table Row Highlight
Calendar Date
Mobile Device
See how to use #1E3D50 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#1e3d50";💡 Click any tab to see how to use #1e3d50 in different programming languages